F-CAN CIRCUIT TROUBLESHOOTING (9-Speed A/T) (2016 2017 2018)
- F-CAN circuit resistance check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Jump the SCS line with the HDS, and wait more than 1 minute.
SCS Short
- 3. Disconnect the following connector.
PCM connector A (51P) - 4. Measure the resistance between test points 1 and 2.
F-CAN A circuit
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected Test point 1 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .F-CAN B circuit
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected Test point 1 PCM connector A (51P) No. 11 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 12 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .- 5. Compare the results in step 1-4 with the following table.
F-CAN A circuit F-CAN B circuit Pattern 1 43 - 56 Ω 103 - 126 Ω Pattern 2 Less than 43 Ω or
More than 56 Ω103 - 126 Ω Pattern 3 43 -5 6 Ω Less than 103 Ω or
More than 126 ΩPattern 4 Less than 43 Ω or
More than 56 ΩLess than 103 Ω or
More than 126 ΩWhich pattern do the results match?
Pattern 1
Go to step 21.
Pattern 2
Go to step 2.
Pattern 3
Go to step 3.
Pattern 4
Go to step 2.
- Shorted wire check (F-CAN A_H line to F-CAN A_L line)
-1. Disconnect the following connectors.
NOTE: Before disconnecting the SRS unit connector, do the 12 Volt Battery Terminal Disconnection procedure and wait for at least 3 minutes.
- VSA modulator-control unit 38P connector
- TCM 58P connector
- SBW shifter control module 20P connector
- Engine mount control unit 16P connector
- Gauge control module 32P connector
- Steering angle sensor 4P connector
- ANC/active sound control unit 20P connector
- EPS control unit connector B (8P)
- Keyless access/TPMS control unit connector C (20P)
- SRS unit connector A (39P)
- Audio-navigation unit connector C (24P)
- Multipurpose camera unit 20P connector
- i-VTM control unit 24P connector (AWD)
- 2. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
Repair a short in the F-CAN A_H wire to F-CAN A_L wire between PCM terminals A9 and A10.
NO (Pattern 2)
The F-CAN A_H and F-CAN A_L wires are not shorted. Go to step 4.
NO (Pattern 4)
The F-CAN A_H and F-CAN A_L wires are not shorted. Go to step 3.
- Shorted wire check (F-CAN B_H line to F-CAN B_L line)
-1. If not already done, disconnect the following connectors.
- TCM 58P connector
- SBW shifter control module 20P connector
- 2. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected (if already done) TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected (if already done) Gauge control module 32P connector: disconnected (if already done) Steering angle sensor 4P connector: disconnected (if already done) ANC/active sound control unit 20P connector: disconnected (if already done) EPS control unit connector B (8P): disconnected (if already done) Keyless access/TPMS control unit connector C (20P): disconnected (if already done) SRS unit connector A (39P): disconnected (if already done) Audio-navigation unit connector C (24P): disconnected (if already done) Multipurpose camera unit 20P connector: disconnected (if already done) i-VTM control unit 24P connector (AWD): disconnected (if already done) Test point 1 PCM connector A (51P) No. 11 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 12 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
Repair a short in the F-CAN B_H wire to F-CAN B_L wire between PCM terminals A11 and A12.
NO (Pattern 3)
The F-CAN B_H and F-CAN B_L wires are not shorted. Go to step 16.
NO (Pattern 4)
The F-CAN B_H and F-CAN B_L wires are not shorted. Go to step 4.
- Open wire check (F-CAN A_H line) 1
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 Gauge control module 32P connector No. 24 - Go to:
Gauge Control Module Connector for Inputs and Outputs (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_H wire is not open. Go to step 5.
NO
Repair an open in the F-CAN A_H wire between the PCM (A9) and the gauge control module.
- Open wire check (F-CAN A_H line) 2
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 VSA modulator-control unit 38P connector No. 6 - Go to:
VSA Modulator-Control Unit Connector for Inputs and Outputs (2016 2017 2018)Test point 2 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_H wire is not open. Go to step 6.
NO
Repair an open in the F-CAN A_H wire between the PCM (A9) and the VSA modulator-control unit.
- Open wire check (F-CAN A_H line) 3
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 EPS control unit connector B (8P) No. 3 - Go to:
EPS Control Unit Connector for Inputs and Outputs (2016 2017 2018)Test point 2 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_H wire is not open. Go to step 7.
NO
Repair an open in the F-CAN A_H wire between the PCM (A9) and the EPS control unit.
- Open wire check (F-CAN A_H line) 4
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 Engine mount control unit 16P connector No. 13 Test point 2 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_H wire is not open. Go to step 8.
NO
Repair an open in the F-CAN A_H wire between the PCM (A9) and the engine mount control unit.
- Open wire check (F-CAN A_H line) 5
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 Keyless access/TPMS control unit connector C (20P) No. 2 - Go to:
Keyless Access/TPMS Control Unit Connector for Inputs and Outputs (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_H wire is not open. Go to step 9.
NO
Repair an open in the F-CAN A_H wire between the PCM (A9) and the keyless access/TPMS control unit.
- Open wire check (F-CAN A_H line) 6
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 SRS unit connector A (39P) - Go to:
No. 20 - (2016) SRS Unit Connector for Inputs and Outputs (2016) ,
No. 34 - (2017 2018) SRS Unit Connector for Inputs and Outputs (2017 2018) .Test point 2 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_H wire is not open. Go to step 10.
NO
Repair an open in the F-CAN A_H wire between the PCM (A9) and the SRS unit.
- Open wire check (F-CAN A_L line) 1
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 Gauge control module 32P connector No. 25 - Go to:
Gauge Control Module Connector for Inputs and Outputs (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_L wire is not open. Go to step 11.
NO
Repair an open in the F-CAN A_L wire between the PCM (A10) and the gauge control module.
- Open wire check (F-CAN A_L line) 2
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 VSA modulator-control unit 38P connector No. 7 - Go to:
VSA Modulator-Control Unit Connector for Inputs and Outputs (2016 2017 2018)Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_L wire is not open. Go to step 12.
NO
Repair an open in the F-CAN A_L wire between the PCM (A10) and the VSA modulator-control unit.
- Open wire check (F-CAN A_L line) 3
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 EPS control unit connector B (8P) No. 8 - Go to:
EPS Control Unit Connector for Inputs and Outputs (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_L wire is not open. Go to step 13.
NO
Repair an open in the F-CAN A_L wire between the PCM (A10) and the EPS control unit.
- Open wire check (F-CAN A_L line) 4
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 Engine mount control unit 16P connector No. 15 Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_L wire is not open. Go to step 14.
NO
Repair an open in the F-CAN A_L wire between the PCM (A10) and the engine mount control unit.
- Open wire check (F-CAN A_L line) 5
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 Keyless access/TPMS control unit connector C (20P) No. 12 - Go to:
Keyless Access/TPMS Control Unit Connector for Inputs and Outputs (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN A_L wire is not open. Go to step 15.
NO
Repair an open in the F-CAN A_L wire between the PCM (A10) and the keyless access/TPMS control unit.
- Open wire check (F-CAN A_L line) 6
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 SRS unit connector A (39P) - Go to:
No. 21 - (2016) SRS Unit Connector for Inputs and Outputs (2016) ,
No. 35 - (2017 2018)SRS Unit Connector for Inputs and Outputs (2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES (Pattern 2)
The F-CAN A_L wire is not open. Go to step 18.
YES (Pattern 4)
The F-CAN A_L wire is not open. Go to step 16.
NO
Repair an open in the F-CAN A_L wire between the PCM (A10) and the SRS unit.
- Open wire check (F-CAN B_H line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected (if already done) TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected (if already done) Gauge control module 32P connector: disconnected (if already done) Steering angle sensor 4P connector: disconnected (if already done) ANC/active sound control unit 20P connector: disconnected (if already done) EPS control unit connector B (8P): disconnected (if already done) Keyless access/TPMS control unit connector C (20P): disconnected (if already done) SRS unit connector A (39P): disconnected (if already done) Audio-navigation unit connector C (24P): disconnected (if already done) Multipurpose camera unit 20P connector: disconnected (if already done) i-VTM control unit 24P connector (AWD): disconnected (if already done) Test point 1 TCM 58P connector No. 7 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 11 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES
The F-CAN B_H wire is not open. Go to step 17.
NO
Repair an open in the F-CAN B_H wire between the PCM (A11) and the TCM.
- Open wire check (F-CAN B_L line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected (if already done) TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected (if already done) Gauge control module 32P connector: disconnected (if already done) Steering angle sensor 4P connector: disconnected (if already done) ANC/active sound control unit 20P connector: disconnected (if already done) EPS control unit connector B (8P): disconnected (if already done) Keyless access/TPMS control unit connector C (20P): disconnected (if already done) SRS unit connector A (39P): disconnected (if already done) Audio-navigation unit connector C (24P): disconnected (if already done) Multipurpose camera unit 20P connector: disconnected (if already done) i-VTM control unit 24P connector (AWD): disconnected (if already done) Test point 1 TCM 58P connector No. 20 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 12 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there continuity?
YES (Pattern 3)
The F-CAN B_L wire is not open. Go to step 20.
YES (Pattern 4)
The F-CAN B_L wire is not open. Go to step 18.
NO
Repair an open in the F-CAN B_L wire between the PCM (A12) and the TCM.
- VSA modulator-control unit internal resistance check
-1. Reconnect the VSA modulator-control unit 38P connector.
- 2. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there about 108 - 132 Ω?
YES
The VSA modulator-control unit is OK. Disconnect the VSA modulator-control unit 38P connector, then go to step 19.
NO
Replace the VSA Modulator-Control Unit - Removal and Installation .
- EPS control unit internal resistance check
-1. Reconnect EPS control unit connector B (8P).
- 2. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there about 108 - 132 Ω?
YES (Pattern 2)
The EPS control unit is OK. Go to step 21.
YES (Pattern 4)
The EPS control unit is OK. Disconnect the EPS control unit connector B (8P), then go to step 20.
NO
Replace the EPS Motor/Control Unit - Removal and Installation .
- SBW shifter control module internal resistance check
-1. Reconnect the SBW shifter control module 20P connector.
- 2. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 11 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 PCM connector A (51P) No. 12 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Is there about 108 - 132 Ω?
YES (Pattern 3)
The SBW shifter control module is OK. Go to step 23.
YES (Pattern 4)
The SBW shifter control module is OK. Go to step 21.
NO
- Shorted wire check (F-CAN A_H line)
-1. If not already done, disconnect the following connectors.
NOTE: Before disconnecting the SRS unit connector, do the 12 Volt Battery Terminal Disconnection procedure, and wait for at least 3 minutes.
- VSA modulator-control unit 38P connector
- TCM 58P connector
- SBW shifter control module 20P connector
- Engine mount control unit 16P connector
- Gauge control module 32P connector
- Steering angle sensor 4P connector
- ANC/active sound control unit 20P connector
- EPS control unit connector B (8P)
- Keyless access/TPMS control unit connector C (20P)
- SRS unit connector A (39P)
- Audio-navigation unit connector C (24P)
- Multipurpose camera unit 20P connector
- i-VTM control unit 24P connector (AWD)
- 2. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 9 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 Body ground Is there continuity?
YES
Repair a short in the F-CAN A_H wire between the PCM (A9) and the VSA modulator-control unit, the TCM, the SBW shifter control module, the engine mount control unit, the gauge control module, the steering angle sensor, the ANC/active sound control unit, the EPS control unit, the keyless access/TPMS control unit, the SRS unit, the audio-navigation unit, the multipurpose camera unit, i-VTM control unit, or the DLC.
NO
The F-CAN A_H wire is OK. Go to step 22.
- Shorted wire check (F-CAN A_L line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 10 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 Body ground Is there continuity?
YES
Repair a short in the F-CAN A_L wire between the PCM (A10) and the VSA modulator-control unit, the TCM, the SBW shifter control module, the engine mount control unit, the gauge control module, the steering angle sensor, the ANC/active sound control unit, the EPS control unit, the keyless access/TPMS control unit, the SRS unit, the audio-navigation unit, the multipurpose camera unit, i-VTM control unit, or the DLC.
NO
The F-CAN A_L wire is OK. Go to step 23.
- Shorted wire check (F-CAN B_H line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 11 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 Body ground Is there continuity?
YES
Repair a short in the F-CAN B_H wire between the PCM (A11) and the TCM, or the SBW shifter control module.
NO
The F-CAN B_H wire is OK. Go to step 24.
- Shorted wire check (F-CAN B_L line)
-1. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode PCM connector A (51P): disconnected VSA modulator-control unit 38P connector: disconnected TCM 58P connector: disconnected SBW shifter control module 20P connector: disconnected Engine mount control unit 16P connector: disconnected Gauge control module 32P connector: disconnected Steering angle sensor 4P connector: disconnected ANC/active sound control unit 20P connector: disconnected EPS control unit connector B (8P): disconnected Keyless access/TPMS control unit connector C (20P): disconnected SRS unit connector A (39P): disconnected Audio-navigation unit connector C (24P): disconnected Multipurpose camera unit 20P connector: disconnected i-VTM control unit 24P connector (AWD): disconnected Test point 1 PCM connector A (51P) No. 12 - Go to:
PCM Connector for Inputs and Outputs (9-Speed A/T) (2016 2017 2018) .Test point 2 Body ground Is there continuity?
YES
Repair a short in the F-CAN B_L wire between the PCM (A12) and the TCM, or the SBW shifter control module.
NO
The F-CAN B_L wire is OK. Go to step 25.
- Gauge control module check
-1. Reconnect all connectors.
- 2. Connect the HDS to the DLC. How to Connect the HDS
- 3. Disconnect the following connector.
Gauge control module 32P connector - 4. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the Gauge Control Module - Removal and Installation .
NO
Reconnect the gauge control module 32P connector with vehicle in OFF (LOCK) mode, then go to step 26.
- VSA modulator-control unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
VSA modulator-control unit 38P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the VSA Modulator-Control Unit - Removal and Installation .
NO
Reconnect the VSA modulator-control unit 38P connector with vehicle in OFF (LOCK) mode, then go to step 27.
- Steering angle sensor check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Steering angle sensor 4P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the Steering Angle Sensor - Removal and Installation .
NO
Reconnect the steering angle sensor 4P connector with vehicle in OFF (LOCK) mode, then go to step 28.
- Audio-navigation unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Audio-navigation unit connector C (24P) - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the audio-navigation unit - Refer to: or.
Audio-Navigation Unit Connector for Inputs and Outputs (2016) or
Audio-Navigation Unit Connector for Inputs and Outputs (2017 2018) .
NO
Reconnect audio-navigation unit connector C (24P) with vehicle in OFF (LOCK) mode, then go to step 29.
- EPS control unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
EPS control unit connector B (8P) - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the EPS Motor/Control Unit - Removal and Installation .
NO (2WD)
Reconnect EPS control unit connector B (8P) with vehicle in OFF (LOCK) mode, then go to step 31.
NO (AWD)
Reconnect EPS control unit connector B (8P) with vehicle in OFF (LOCK) mode, then go to step 30.
- i-VTM control unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
i-VTM control unit 24P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the i-VTM Control Unit - Removal and Installation .
NO
Reconnect i-VTM control unit 24P connector with vehicle in OFF (LOCK) mode, then go to step 31.
- Engine mount control unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Engine mount control unit 16P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the Engine Mount Control Unit - Removal and Installation .
NO
Reconnect the engine mount control unit 16P connector with vehicle in OFF (LOCK) mode, then go to step 32.
- TCM check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
TCM 58P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the TCM - Removal and Installation .
NO
Reconnect the TCM 58P connector with vehicle in OFF (LOCK) mode, then go to step 33.
- SBW shifter control module check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
SBW shifter control module 20P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the SBW Shifter Assembly - Removal and Installation .
NO
Reconnect the SBW shifter control module 20P connector with vehicle in OFF (LOCK) mode, then go to step 34.
- ANC/active sound control unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
ANC/active sound control unit 20P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the ANC/Active Sound Control Unit - Removal and Installation .
NO
Reconnect the ANC/active sound control unit 20P connector with vehicle in OFF (LOCK) mode, then go to step 35.
- Multipurpose camera unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Disconnect the following connector.
Multipurpose camera unit 20P connector - 3. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the Multipurpose Camera Unit - Removal and Installation .
NO
Reconnect the multipurpose camera unit 20P connector with vehicle in OFF (LOCK) mode, then go to step 36.
- SRS unit check
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Do the 12 Volt Battery Terminal Disconnection procedure, and wait for at least 3 minutes.
- 3. Disconnect the following connector.
SRS unit connector A (39P) - 4. Do the 12 Volt Battery Terminal Reconnection procedure.
- 5. Turn the vehicle to the ON mode, and read the HDS.
Does the HDS identify the vehicle?
YES
Replace the SRS unit - Refer to:
SRS Unit Removal and Installation (2016)
SRS Unit Removal and Installation (2017 2018 2019 2020 2021)
NO
- Substitute a known-good Keyless Access/TPMS Control Unit - Removal and Installation , then recheck. If the HDS identifies the vehicle and the keyless access/TPMS control unit was substituted, replace the original Keyless Access/TPMS Control Unit - Removal and Installation .
- Check for any authorized service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good PCM - Go to: PCM (6-Speed A/T), ('16-'18 9-Speed A/T) - Removal and Installation .